Sandler, whose Happy Madison production company is also a producer on the film, will voice a capuchin monkey. Cher’s voicing a giraffe, Favreau a bear, Stallone a lion and Apatow an elephant.

Jim Breuer, Faizon Love and Bas Rutten round out the voice cast.

The film centers on zoo animals trying to teach the keeper their methods of dating and mating to help him win back the woman of his dreams. Frank Coraci is directing from a screenplay by Jay Scherick and David Ronn, James, Rock Reuben and Nick Bakay.